# AgoraFocalLengthInfo (/zh-CN/api-reference/rtc/ios/class-focallengthinfo)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="class_focallengthinfo__prototype"></a>

```objc
__attribute__((visibility("default"))) @interface AgoraFocalLengthInfo : NSObject
@property(assign, nonatomic) int cameraDirection;
@property(assign, nonatomic) AgoraFocalLength focalLengthType;
@end
```

<a id="class_focallengthinfo__parameters"></a>

## 属性 [#属性]

<ParameterList>
<a id="cameradirection"></a>
<Parameter name="cameraDirection">

摄像头方向。详见 [AgoraCameraDirection](/zh-CN/api-reference/rtc/ios/enum-cameradirection)。

</Parameter>
<a id="focallengthtype"></a>
<Parameter name="focalLengthType">

焦距类型。详见 [AgoraFocalLength](/zh-CN/api-reference/rtc/ios/enum-camerafocallengthtype)。

</Parameter>
</ParameterList>